there's a lot of work to be done at a big airports such as dallas, for instance. my understanding of the dollars and the metrics, again, if we cannot -- my understanding is that costs about $175,000 per each whole-body imaging machine. it is $20, 000 -- $20,000, $30,000 to train a dog. the whole-body imaging machines have something that the machines -- dogs do not have. they have lobbyists. we have to increase security. we have to become more secure, but we cannot give up every civil liberty. we should not be looking at every passenger naked in order to secure the airplane. the pentagon, having spent $19 billion, came to the conclusion that the single best way to find a bomb-making device or bomb- making material is the canine. we're not putting enough emphasis on expanding the use of canines. they are friendly, non infective. they are a simple way to find and fight these explosive devices. >> in terms of the dogs that you have seen, tsa supports the amtrak program. we have supported about 1/3 of the dog teams that they have. a fully equipped team with the trainer